/*!

 @Name：layer v2.4 弹层组件
 @Author：贤心
 @Site：http://layer.layui.com
 @License：LGPL
    
 */

;!function(turt, undefined){
  "use strict";

  var $, win, ready = {
    getPath: function(){
      var js = document.scripts, script = js[js.length - 1], jsPath = script.src;
      if(script.getAttribute('merge')) return;
      return jsPath.substring(0, jsPath.lastIndexOf("/") + 1);
    }(),
    
    //屏蔽Enter触发弹层
    enter: function(e){
      if(e.keyCode === 13) e.preventDefault();
    },
    config: {}, end: {},
    btn: ['&#x786E;&#x5B9A;','&#x53D6;&#x6D88;'],
    
    //五种原始层模式
    type: ['dialog', 'page', 'iframe', 'loading', 'tips']
  };

  //默认内置方法。
  var layer = {
    v: '2.4',
    ie6: !!window.ActiveXObject&&!window.XMLHttpRequest,
    index: 0,
    path: ready.getPath,
    config: function(options, fn){
      var item = 0;
      options = options || {};
      layer.cache = ready.config = $.extend(ready.config, options);
      layer.path = ready.config.path || layer.path;
      typeof options.extend === 'string' && (options.extend = [options.extend]);
      layer.use('skin/layer.css', (options.extend && options.extend.length > 0) ? (function loop(){
        var ext = options.extend;
        layer.use(ext[ext[item] ? item : item-1], item < ext.length ? function(){
          ++item; 
          return loop;
        }() : fn);
      }()) : fn);
      return this;
    },
    
    //载入配件
    use: function(module, fn, readyMethod){
      var i = 0, head = $('head')[0];
      var module = module.replace(/\s/g, '');
      var iscss = /\.css$/.test(module);
      var node = document.createElement(iscss ? 'link' : 'script');
      var id = 'layui_layer_' + module.replace(/\.|\//g, '');
      if(!layer.path) return;
      if(iscss){
        node.rel = 'stylesheet';
      }
      node[iscss ? 'href' : 'src'] = /^http:\/\//.test(module) ? module : layer.path + module;
      node.id = id;
      if(!$('#'+ id)[0]){
        head.appendChild(node);
      }
      //轮询加载就绪
      ;(function poll() {
        ;(iscss ? parseInt($('#'+id).css('width')) === 1989 : layer[readyMethod||id]) ? function(){
          fn && fn();
          try { iscss || head.removeChild(node); } catch(e){};
        }() : setTimeout(poll, 100);
      }());
      return this;
    },
    
    ready: function(path, fn){
      var type = typeof path === 'function';
      if(type) fn = path;
      layer.config($.extend(ready.config, function(){
         return type ? {} : {path: path};
      }()), fn);
      return this;
    },
    
    //各种快捷引用
    alert: function(content, options, yes){
      var type = typeof options === 'function';
      if(type) yes = options;
      return layer.open($.extend({
        content: content,
        yes: yes
      }, type ? {} : options));
    }, 
    
    confirm: function(content, options, yes, cancel){ 
      var type = typeof options === 'function';
      if(type){
        cancel = yes;
        yes = options;
      }
      return layer.open($.extend({
        content: content,
        btn: ready.btn,
        yes: yes,
        btn2: cancel
      }, type ? {} : options));
    },
    
    msg: function(content, options, end){ //最常用提示层
      var type = typeof options === 'function', rskin = ready.config.skin;
      var skin = (rskin ? rskin + ' ' + rskin + '-msg' : '')||'layui-layer-msg';
      var shift = doms.anim.length - 1;
      if(type) end = options;
      return layer.open($.extend({
        content: content,
        time: 3000,
        shade: false,
        skin: skin,
        title: false,
        closeBtn: false,
        btn: false,
        end: end
      }, (type && !ready.config.skin) ? {
        skin: skin + ' layui-layer-hui',
        shift: shift
      } : function(){
         options = options || {};
         if(options.icon === -1 || options.icon === undefined && !ready.config.skin){
           options.skin = skin + ' ' + (options.skin||'layui-layer-hui');
         }
         return options;
      }()));  
    },
    
    load: function(icon, options){
      return layer.open($.extend({
        type: 3,
        icon: icon || 0,
        shade: 0.01
      }, options));
    }, 
    
    tips: function(content, follow, options){
      return layer.open($.extend({
        type: 4,
        content: [content, follow],
        closeBtn: false,
        time: 3000,
        shade: false,
        fix: false,
        maxWidth: 210
      }, options));
    }
  };

  var Class = function(setings){  
    var that = this;
    that.index = ++layer.index;
    that.config = $.extend({}, that.config, ready.config, setings);
    that.creat();
  };

  Class.pt = Class.prototype;

  //缓存常用字符
  var doms = ['layui-layer', '.layui-layer-title', '.layui-layer-main', '.layui-layer-dialog', 'layui-layer-iframe', 'layui-layer-content', 'layui-layer-btn', 'layui-layer-close'];
  doms.anim = ['layer-anim', 'layer-anim-01', 'layer-anim-02', 'layer-anim-03', 'layer-anim-04', 'layer-anim-05', 'layer-anim-06'];

  //默认配置
  Class.pt.config = {
    type: 0,
    shade: 0.3,
    fix: true,
    move: doms[1],
    title: '&#x4FE1;&#x606F;',
    offset: 'auto',
    area: 'auto',
    closeBtn: 1,
    time: 0, //0表示不自动关闭
    zIndex: 19891014, 
    maxWidth: 360,
    shift: 0,
    icon: -1,
    scrollbar: true, //是否允许浏览器滚动条
    tips: 2
  };

  //容器
  Class.pt.vessel = function(conType, callback){
    var that = this, times = that.index, config = that.config;
    var zIndex = config.zIndex + times, titype = typeof config.title === 'object';
    var ismax = config.maxmin && (config.type === 1 || config.type === 2);
    var titleHTML = (config.title ? '<div class="layui-layer-title" style="'+ (titype ? config.title[1] : '') +'">' 
      + (titype ? config.title[0] : config.title) 
    + '</div>' : '');
    
    config.zIndex = zIndex;
    callback([
      //遮罩
      config.shade ? ('<div class="layui-layer-shade" id="layui-layer-shade'+ times +'" times="'+ times +'" style="'+ ('z-index:'+ (zIndex-1) +'; background-color:'+ (config.shade[1]||'#000') +'; opacity:'+ (config.shade[0]||config.shade) +'; filter:alpha(opacity='+ (config.shade[0]*100||config.shade*100) +');') +'"></div>') : '',
      
      //主体
      '<div class="'+ doms[0] + (' layui-layer-'+ready.type[config.type]) + (((config.type == 0 || config.type == 2) && !config.shade) ? ' layui-layer-border' : '') + ' ' + (config.skin||'') +'" id="'+ doms[0] + times +'" type="'+ ready.type[config.type] +'" times="'+ times +'" showtime="'+ config.time +'" conType="'+ (conType ? 'object' : 'string') +'" style="z-index: '+ zIndex +'; width:'+ config.area[0] + ';height:' + config.area[1] + (config.fix ? '' : ';position:absolute;') +'">'
        + (conType && config.type != 2 ? '' : titleHTML)
        +'<div id="'+ (config.id||'') +'" class="layui-layer-content'+ ((config.type == 0 && config.icon !== -1) ? ' layui-layer-padding' :'') + (config.type == 3 ? ' layui-layer-loading'+config.icon : '') +'">'
          + (config.type == 0 && config.icon !== -1 ? '<i class="layui-layer-ico layui-layer-ico'+ config.icon +'"></i>' : '')
          + (config.type == 1 && conType ? '' : (config.content||''))
        +'</div>'
        + '<span class="layui-layer-setwin">'+ function(){
          var closebtn = ismax ? '<a class="layui-layer-min" href="javascript:;"><cite></cite></a><a class="layui-layer-ico layui-layer-max" href="javascript:;"></a>' : '';
          config.closeBtn && (closebtn += '<a class="layui-layer-ico '+ doms[7] +' '+ doms[7] + (config.title ? config.closeBtn : (config.type == 4 ? '1' : '2')) +'" href="javascript:;"></a>');
          return closebtn;
        }() + '</span>'
        + (config.btn ? function(){
          var button = '';
          typeof config.btn === 'string' && (config.btn = [config.btn]);
          for(var i = 0, len = config.btn.length; i < len; i++){
            button += '<a class="'+ doms[6] +''+ i +'">'+ config.btn[i] +'</a>'
          }
          return '<div class="'+ doms[6] +'">'+ button +'</div>'
        }() : '')
      +'</div>'
    ], titleHTML);
    return that;
  };

  //创建骨架
  Class.pt.creat = function(){
    var that = this, config = that.config, times = that.index, nodeIndex;
    var content = config.content, conType = typeof content === 'object';
    
    if($('#'+config.id)[0])  return;
    
    if(typeof config.area === 'string'){
      config.area = config.area === 'auto' ? ['', ''] : [config.area, ''];
    }
    
    switch(config.type){
      case 0:
        config.btn = ('btn' in config) ? config.btn : ready.btn[0];
        layer.closeAll('dialog');
      break;
      case 2:
        var content = config.content = conType ? config.content : [config.content||'http://layer.layui.com', 'auto'];
        config.content = '<iframe scrolling="'+ (config.content[1]||'auto') +'" allowtransparency="true" id="'+ doms[4] +''+ times +'" name="'+ doms[4] +''+ times +'" onload="this.className=\'\';" class="layui-layer-load" frameborder="0" src="' + config.content[0] + '"></iframe>';
      break;
      case 3:
        config.title = false;
        config.closeBtn = false;
        config.icon === -1 && (config.icon === 0);
        layer.closeAll('loading');
      break;
      case 4:
        conType || (config.content = [config.content, 'body']);
        config.follow = config.content[1];
        config.content = config.content[0] + '<i class="layui-layer-TipsG"></i>';
        config.title = false;
        config.tips = typeof config.tips === 'object' ? config.tips : [config.tips, true];
        config.tipsMore || layer.closeAll('tips');
      break;
    }
    
    //建立容器
    that.vessel(conType, function(html, titleHTML){
      $('body').append(html[0]);
      conType ? function(){
        (config.type == 2 || config.type == 4) ? function(){
          $('body').append(html[1]);
        }() : function(){
          if(!content.parents('.'+doms[0])[0]){
            content.show().addClass('layui-layer-wrap').wrap(html[1]);
            $('#'+ doms[0] + times).find('.'+doms[5]).before(titleHTML);
          }
        }();
      }() : $('body').append(html[1]);
      that.layero = $('#'+ doms[0] + times);
      config.scrollbar || doms.html.css('overflow', 'hidden').attr('layer-full', times);
    }).auto(times);

    config.type == 2 && layer.ie6 && that.layero.find('iframe').attr('src', content[0]);
    $(document).off('keydown', ready.enter).on('keydown', ready.enter);
    that.layero.on('keydown', function(e){
      $(document).off('keydown', ready.enter);
    });

    //坐标自适应浏览器窗口尺寸
    config.type == 4 ? that.tips() : that.offset();
    if(config.fix){
      win.on('resize', function(){
        that.offset();
        (/^\d+%$/.test(config.area[0]) || /^\d+%$/.test(config.area[1])) && that.auto(times);
        config.type == 4 && that.tips();
      });
    }
    
    config.time <= 0 || setTimeout(function(){
      layer.close(that.index)
    }, config.time);
    that.move().callback();
    
    //为兼容jQuery3.0的css动画影响元素尺寸计算
    if(doms.anim[config.shift]){
      that.layero.addClass(doms.anim[config.shift]);
    };
    
  };

  //自适应
  Class.pt.auto = function(index){
    var that = this, config = that.config, layero = $('#'+ doms[0] + index);
    if(config.area[0] === '' && config.maxWidth > 0){
      //为了修复IE7下一个让人难以理解的bug
      if(/MSIE 7/.test(navigator.userAgent) && config.btn){
        layero.width(layero.innerWidth());
      }
      layero.outerWidth() > config.maxWidth && layero.width(config.maxWidth);
    }
    var area = [layero.innerWidth(), layero.innerHeight()];
    var titHeight = layero.find(doms[1]).outerHeight() || 0;
    var btnHeight = layero.find('.'+doms[6]).outerHeight() || 0;
    function setHeight(elem){
      elem = layero.find(elem);
      elem.height(area[1] - titHeight - btnHeight - 2*(parseFloat(elem.css('padding'))|0));
    }
    switch(config.type){
      case 2: 
        setHeight('iframe');
      break;
      default:
        if(config.area[1] === ''){
          if(config.fix && area[1] >= win.height()){
            area[1] = win.height();
            setHeight('.'+doms[5]);
          }
        } else {
          setHeight('.'+doms[5]);
        }
      break;
    }
    return that;
  };

  //计算坐标
  Class.pt.offset = function(){
    var that = this, config = that.config, layero = that.layero;
    var area = [layero.outerWidth(), layero.outerHeight()];
    var type = typeof config.offset === 'object';
    that.offsetTop = (win.height() - area[1])/2;
    that.offsetLeft = (win.width() - area[0])/2;
    if(type){
      that.offsetTop = config.offset[0];
      that.offsetLeft = config.offset[1]||that.offsetLeft;
    } else if(config.offset !== 'auto'){
      that.offsetTop = config.offset;
      if(config.offset === 'rb'){ //右下角
        that.offsetTop = win.height() - area[1];
        that.offsetLeft = win.width() - area[0];
      }
    }
    if(!config.fix){
      that.offsetTop = /%$/.test(that.offsetTop) ? 
        win.height()*parseFloat(that.offsetTop)/100
      : parseFloat(that.offsetTop);
      that.offsetLeft = /%$/.test(that.offsetLeft) ? 
        win.width()*parseFloat(that.offsetLeft)/100
      : parseFloat(that.offsetLeft);
      that.offsetTop += win.scrollTop();
      that.offsetLeft += win.scrollLeft();
    }
    layero.css({top: that.offsetTop, left: that.offsetLeft});
  };

  //Tips
  Class.pt.tips = function(){
    var that = this, config = that.config, layero = that.layero;
    var layArea = [layero.outerWidth(), layero.outerHeight()], follow = $(config.follow);
    if(!follow[0]) follow = $('body');
    var goal = {
      width: follow.outerWidth(),
      height: follow.outerHeight(),
      top: follow.offset().top,
      left: follow.offset().left
    }, tipsG = layero.find('.layui-layer-TipsG');
    
    var guide = config.tips[0];
    config.tips[1] || tipsG.remove();
    
    goal.autoLeft = function(){
      if(goal.left + layArea[0] - win.width() > 0){
        goal.tipLeft = goal.left + goal.width - layArea[0];
        tipsG.css({right: 12, left: 'auto'});
      } else {
        goal.tipLeft = goal.left;
      };
    };
    
    //辨别tips的方位
    goal.where = [function(){ //上        
      goal.autoLeft();
      goal.tipTop = goal.top - layArea[1] - 10;
      tipsG.removeClass('layui-layer-TipsB').addClass('layui-layer-TipsT').css('border-right-color', config.tips[1]);
    }, function(){ //右
      goal.tipLeft = goal.left + goal.width + 10;
      goal.tipTop = goal.top;
      tipsG.removeClass('layui-layer-TipsL').addClass('layui-layer-TipsR').css('border-bottom-color', config.tips[1]); 
    }, function(){ //下
      goal.autoLeft();
      goal.tipTop = goal.top + goal.height + 10;
      tipsG.removeClass('layui-layer-TipsT').addClass('layui-layer-TipsB').css('border-right-color', config.tips[1]);
    }, function(){ //左
      goal.tipLeft = goal.left - layArea[0] - 10;
      goal.tipTop = goal.top;
      tipsG.removeClass('layui-layer-TipsR').addClass('layui-layer-TipsL').css('border-bottom-color', config.tips[1]);
    }];
    goal.where[guide-1]();
    
    /* 8*2为小三角形占据的空间 */
    if(guide === 1){
      goal.top - (win.scrollTop() + layArea[1] + 8*2) < 0 && goal.where[2]();
    } else if(guide === 2){
      win.width() - (goal.left + goal.width + layArea[0] + 8*2) > 0 || goal.where[3]()
    } else if(guide === 3){
      (goal.top - win.scrollTop() + goal.height + layArea[1] + 8*2) - win.height() > 0 && goal.where[0]();
    } else if(guide === 4){
       layArea[0] + 8*2 - goal.left > 0 && goal.where[1]()
    }

    layero.find('.'+doms[5]).css({
      'background-color': config.tips[1], 
      'padding-right': (config.closeBtn ? '30px' : '')
    });
    layero.css({
      left: goal.tipLeft - (config.fix ? win.scrollLeft() : 0), 
      top: goal.tipTop  - (config.fix ? win.scrollTop() : 0)
    });
  }

  //拖拽层
  Class.pt.move = function(){
    var that = this, config = that.config, conf = {
      setY: 0,
      moveLayer: function(){
        var layero = conf.layero, mgleft = parseInt(layero.css('margin-left'));
        var lefts = parseInt(conf.move.css('left'));
        mgleft === 0 || (lefts = lefts - mgleft);
        if(layero.css('position') !== 'fixed'){
          lefts = lefts - layero.parent().offset().left;
          conf.setY = 0;
        }
        layero.css({left: lefts, top: parseInt(conf.move.css('top')) - conf.setY});
      }
    };
    
    var movedom = that.layero.find(config.move);
    config.move && movedom.attr('move', 'ok');
    movedom.css({cursor: config.move ? 'move' : 'auto'});
    
    $(config.move).on('mousedown', function(M){  
      M.preventDefault();
      if($(this).attr('move') === 'ok'){
        conf.ismove = true;
        conf.layero = $(this).parents('.'+ doms[0]);
        var xx = conf.layero.offset().left, yy = conf.layero.offset().top, ww = conf.layero.outerWidth() - 6, hh = conf.layero.outerHeight() - 6;
        if(!$('#layui-layer-moves')[0]){
          $('body').append('<div id="layui-layer-moves" class="layui-layer-moves" style="left:'+ xx +'px; top:'+ yy +'px; width:'+ ww +'px; height:'+ hh +'px; z-index:2147483584"></div>');
        }
        conf.move = $('#layui-layer-moves');
        config.moveType && conf.move.css({visibility: 'hidden'});
         
        conf.moveX = M.pageX - conf.move.position().left;
        conf.moveY = M.pageY - conf.move.position().top;
        conf.layero.css('position') !== 'fixed' || (conf.setY = win.scrollTop());
      }
    });
    
    $(document).mousemove(function(M){
      if(conf.ismove){
        var offsetX = M.pageX - conf.moveX, offsetY = M.pageY - conf.moveY;
        M.preventDefault();

        //控制元素不被拖出窗口外
        if(!config.moveOut){
          conf.setY = win.scrollTop();
          var setRig = win.width() - conf.move.outerWidth(), setTop = conf.setY;         
          offsetX < 0 && (offsetX = 0);
          offsetX > setRig && (offsetX = setRig); 
          offsetY < setTop && (offsetY = setTop);
          offsetY > win.height() - conf.move.outerHeight() + conf.setY && (offsetY = win.height() - conf.move.outerHeight() + conf.setY);
        }
        
        conf.move.css({left: offsetX, top: offsetY});  
        config.moveType && conf.moveLayer();
        
        offsetX = offsetY = setRig = setTop = null;
      }                         
    }).mouseup(function(){
      try{
        if(conf.ismove){
          conf.moveLayer();
          conf.move.remove();
          config.moveEnd && config.moveEnd();
        }
        conf.ismove = false;
      }catch(e){
        conf.ismove = false;
      }
    });
    return that;
  };

  Class.pt.callback = function(){
    var that = this, layero = that.layero, config = that.config;
    that.openLayer();
    if(config.success){
      if(config.type == 2){
        layero.find('iframe').on('load', function(){
          config.success(layero, that.index);
        });
      } else {
        config.success(layero, that.index);
      }
    }
    layer.ie6 && that.IE6(layero);
    
    //按钮
    layero.find('.'+ doms[6]).children('a').on('click', function(){
      var index = $(this).index();
      if(index === 0){
        if(config.yes){
          config.yes(that.index, layero)
        } else if(config['btn1']){
          config['btn1'](that.index, layero)
        } else {
          layer.close(that.index);
        }
      } else {
        var close = config['btn'+(index+1)] && config['btn'+(index+1)](that.index, layero);
        close === false || layer.close(that.index);
      }
    });
    
    //取消
    function cancel(){
      var close = config.cancel && config.cancel(that.index, layero);
      close === false || layer.close(that.index);
    }
    
    //右上角关闭回调
    layero.find('.'+ doms[7]).on('click', cancel);
    
    //点遮罩关闭
    if(config.shadeClose){
      $('#layui-layer-shade'+ that.index).on('click', function(){
        layer.close(that.index);
      });
    } 
    
    //最小化
    layero.find('.layui-layer-min').on('click', function(){
      var min = config.min && config.min(layero);
      min === false || layer.min(that.index, config); 
    });
    
    //全屏/还原
    layero.find('.layui-layer-max').on('click', function(){
      if($(this).hasClass('layui-layer-maxmin')){
        layer.restore(that.index);
        config.restore && config.restore(layero);
      } else {
        layer.full(that.index, config);
        setTimeout(function(){
          config.full && config.full(layero);
        }, 100);
      }
    });

    config.end && (ready.end[that.index] = config.end);
  };

  //for ie6 恢复select
  ready.reselect = function(){
    $.each($('select'), function(index , value){
      var sthis = $(this);
      if(!sthis.parents('.'+doms[0])[0]){
        (sthis.attr('layer') == 1 && $('.'+doms[0]).length < 1) && sthis.removeAttr('layer').show(); 
      }
      sthis = null;
    });
  }; 

  Class.pt.IE6 = function(layero){
    var that = this, _ieTop = layero.offset().top;
    
    //ie6的固定与相对定位
    function ie6Fix(){
      layero.css({top : _ieTop + (that.config.fix ? win.scrollTop() : 0)});
    };
    ie6Fix();
    win.scroll(ie6Fix);

    //隐藏select
    $('select').each(function(index , value){
      var sthis = $(this);
      if(!sthis.parents('.'+doms[0])[0]){
        sthis.css('display') === 'none' || sthis.attr({'layer' : '1'}).hide();
      }
      sthis = null;
    });
  };

  //需依赖原型的对外方法
  Class.pt.openLayer = function(){
    var that = this;
    
    //置顶当前窗口
    layer.zIndex = that.config.zIndex;
    layer.setTop = function(layero){
      var setZindex = function(){
        layer.zIndex++;
        layero.css('z-index', layer.zIndex + 1);
      };
      layer.zIndex = parseInt(layero[0].style.zIndex);
      layero.on('mousedown', setZindex);
      return layer.zIndex;
    };
  };

  ready.record = function(layero){
    var area = [
      layero.width(),
      layero.height(),
      layero.position().top, 
      layero.position().left + parseFloat(layero.css('margin-left'))
    ];
    layero.find('.layui-layer-max').addClass('layui-layer-maxmin');
    layero.attr({area: area});
  };

  ready.rescollbar = function(index){
    if(doms.html.attr('layer-full') == index){
      if(doms.html[0].style.removeProperty){
        doms.html[0].style.removeProperty('overflow');
      } else {
        doms.html[0].style.removeAttribute('overflow');
      }
      doms.html.removeAttr('layer-full');
    }
  };

  /** 内置成员 */

  turt.layer = layer;

  //获取子iframe的DOM
  layer.getChildFrame = function(selector, index){
    index = index || $('.'+doms[4]).attr('times');
    return $('#'+ doms[0] + index).find('iframe').contents().find(selector);  
  };

  //得到当前iframe层的索引，子iframe时使用
  layer.getFrameIndex = function(name){
    return $('#'+ name).parents('.'+doms[4]).attr('times');
  };

  //iframe层自适应宽高
  layer.iframeAuto = function(index){
    if(!index) return;
    var heg = layer.getChildFrame('html', index).outerHeight();
    var layero = $('#'+ doms[0] + index);
    var titHeight = layero.find(doms[1]).outerHeight() || 0;
    var btnHeight = layero.find('.'+doms[6]).outerHeight() || 0;
    layero.css({height: heg + titHeight + btnHeight});
    layero.find('iframe').css({height: heg});
  };

  //重置iframe url
  layer.iframeSrc = function(index, url){
    $('#'+ doms[0] + index).find('iframe').attr('src', url);
  };

  //设定层的样式
  layer.style = function(index, options){
    var layero = $('#'+ doms[0] + index), type = layero.attr('type');
    var titHeight = layero.find(doms[1]).outerHeight() || 0;
    var btnHeight = layero.find('.'+doms[6]).outerHeight() || 0;
    if(type === ready.type[1] || type === ready.type[2]){
      layero.css(options);
      if(type === ready.type[2]){
        layero.find('iframe').css({
          height: parseFloat(options.height) - titHeight - btnHeight
        });
      }
    }
  };

  //最小化
  layer.min = function(index, options){
    var layero = $('#'+ doms[0] + index);
    var titHeight = layero.find(doms[1]).outerHeight() || 0;
    ready.record(layero);
    layer.style(index, {width: 180, height: titHeight, overflow: 'hidden'});
    layero.find('.layui-layer-min').hide();
    layero.attr('type') === 'page' && layero.find(doms[4]).hide();
    ready.rescollbar(index);
  };

  //还原
  layer.restore = function(index){
    var layero = $('#'+ doms[0] + index), area = layero.attr('area').split(',');
    var type = layero.attr('type');
    layer.style(index, {
      width: parseFloat(area[0]), 
      height: parseFloat(area[1]), 
      top: parseFloat(area[2]), 
      left: parseFloat(area[3]),
      overflow: 'visible'
    });
    layero.find('.layui-layer-max').removeClass('layui-layer-maxmin');
    layero.find('.layui-layer-min').show();
    layero.attr('type') === 'page' && layero.find(doms[4]).show();
    ready.rescollbar(index);
  };

  //全屏
  layer.full = function(index){
    var layero = $('#'+ doms[0] + index), timer;
    ready.record(layero);
    if(!doms.html.attr('layer-full')){
      doms.html.css('overflow','hidden').attr('layer-full', index);
    }
    clearTimeout(timer);
    timer = setTimeout(function(){
      var isfix = layero.css('position') === 'fixed';
      layer.style(index, {
         top: isfix ? 0 : win.scrollTop(),
         left: isfix ? 0 : win.scrollLeft(),
         width: win.width(),
         height: win.height()
      });
      layero.find('.layui-layer-min').hide();
    }, 100);
  };

  //改变title
  layer.title = function(name, index){
    var title = $('#'+ doms[0] + (index||layer.index)).find(doms[1]);
    title.html(name);
  };

  //关闭layer总方法
  layer.close = function(index){
    var layero = $('#'+ doms[0] + index), type = layero.attr('type');
    if(!layero[0]) return;
    if(type === ready.type[1] && layero.attr('conType') === 'object'){
      layero.children(':not(.'+ doms[5] +')').remove();
      for(var i = 0; i < 2; i++){
        layero.find('.layui-layer-wrap').unwrap().hide();
      }
    } else {
      //低版本IE 回收 iframe
      if(type === ready.type[2]){
        try {
          var iframe = $('#'+doms[4]+index)[0];
          iframe.contentWindow.document.write('');
          iframe.contentWindow.close();
          layero.find('.'+doms[5])[0].removeChild(iframe);
        } catch(e){}
      }
      layero[0].innerHTML = '';
      layero.remove();
    }
    $('#layui-layer-moves, #layui-layer-shade' + index).remove();
    layer.ie6 && ready.reselect();
    ready.rescollbar(index);
    $(document).off('keydown', ready.enter);
    typeof ready.end[index] === 'function' && ready.end[index]();
    delete ready.end[index]; 
  };

  //关闭所有层
  layer.closeAll = function(type){
    $.each($('.'+doms[0]), function(){
      var othis = $(this);
      var is = type ? (othis.attr('type') === type) : 1;
      is && layer.close(othis.attr('times'));
      is = null;
    });
  };

  /** 

    拓展模块，layui开始合并在一起

   */

  var cache = layer.cache||{}, skin = function(type){
    return (cache.skin ? (' ' + cache.skin + ' ' + cache.skin + '-'+type) : '');
  }; 
   
  //仿系统prompt
  layer.prompt = function(options, yes){
    options = options || {};
    if(typeof options === 'function') yes = options;
    var prompt, content = options.formType == 2 ? '<textarea class="layui-layer-input">'+ (options.value||'') +'</textarea>' : function(){
      return '<input type="'+ (options.formType == 1 ? 'password' : 'text') +'" class="layui-layer-input" value="'+ (options.value||'') +'">';
    }();
    return layer.open($.extend({
      btn: ['&#x786E;&#x5B9A;','&#x53D6;&#x6D88;'],
      content: content,
      skin: 'layui-layer-prompt' + skin('prompt'),
      success: function(layero){
        prompt = layero.find('.layui-layer-input');
        prompt.focus();
      }, yes: function(index){
        var value = prompt.val();
        if(value === ''){
          prompt.focus();
        } else if(value.length > (options.maxlength||500)) {
          layer.tips('&#x6700;&#x591A;&#x8F93;&#x5165;'+ (options.maxlength || 500) +'&#x4E2A;&#x5B57;&#x6570;', prompt, {tips: 1});
        } else {
          yes && yes(value, index, prompt);
        }
      }
    }, options));
  };

  //tab层
  layer.tab = function(options){
    options = options || {};
    var tab = options.tab || {};
    return layer.open($.extend({
      type: 1,
      skin: 'layui-layer-tab' + skin('tab'),
      title: function(){
        var len = tab.length, ii = 1, str = '';
        if(len > 0){
          str = '<span class="layui-layer-tabnow">'+ tab[0].title +'</span>';
          for(; ii < len; ii++){
            str += '<span>'+ tab[ii].title +'</span>';
          }
        }
        return str;
      }(),
      content: '<ul class="layui-layer-tabmain">'+ function(){
        var len = tab.length, ii = 1, str = '';
        if(len > 0){
          str = '<li class="layui-layer-tabli xubox_tab_layer">'+ (tab[0].content || 'no content') +'</li>';
          for(; ii < len; ii++){
            str += '<li class="layui-layer-tabli">'+ (tab[ii].content || 'no  content') +'</li>';
          }
        }
        return str;
      }() +'</ul>',
      success: function(layero){
        var btn = layero.find('.layui-layer-title').children();
        var main = layero.find('.layui-layer-tabmain').children();
        btn.on('mousedown', function(e){
          e.stopPropagation ? e.stopPropagation() : e.cancelBubble = true;
          var othis = $(this), index = othis.index();
          othis.addClass('layui-layer-tabnow').siblings().removeClass('layui-layer-tabnow');
          main.eq(index).show().siblings().hide();
          typeof options.change === 'function' && options.change(index);
        });
      }
    }, options));
  };

  //相册层
  layer.photos = function(options, loop, key){
    var dict = {};
    options = options || {};
    if(!options.photos) return;
    var type = options.photos.constructor === Object;
    var photos = type ? options.photos : {}, data = photos.data || [];
    var start = photos.start || 0;
    dict.imgIndex = (start|0) + 1;
    
    options.img = options.img || 'img';

    if(!type){ //页面直接获取
      var parent = $(options.photos), pushData = function(){
        data = [];
        parent.find(options.img).each(function(index){
          var othis = $(this);
          othis.attr('layer-index', index);
          data.push({
            alt: othis.attr('alt'),
            pid: othis.attr('layer-pid'),
            src: othis.attr('layer-src') || othis.attr('src'),
            thumb: othis.attr('src')
          });
        })
      };
      
      pushData();
      
      if (data.length === 0) return;
      
      loop || parent.on('click', options.img, function(){
        var othis = $(this), index = othis.attr('layer-index'); 
        layer.photos($.extend(options, {
          photos: {
            start: index,
            data: data,
            tab: options.tab
          },
          full: options.full
        }), true);
        pushData();
      })
      
      //不直接弹出
      if(!loop) return;
      
    } else if (data.length === 0){
      return layer.msg('&#x6CA1;&#x6709;&#x56FE;&#x7247;');
    }
    
    //上一张
    dict.imgprev = function(key){
      dict.imgIndex--;
      if(dict.imgIndex < 1){
        dict.imgIndex = data.length;
      }
      dict.tabimg(key);
    };
    
    //下一张
    dict.imgnext = function(key,errorMsg){
      dict.imgIndex++;
      if(dict.imgIndex > data.length){
        dict.imgIndex = 1;
        if (errorMsg) {return};
      }
      dict.tabimg(key)
    };
    
    //方向键
    dict.keyup = function(event){
      if(!dict.end){
        var code = event.keyCode;
        event.preventDefault();
        if(code === 37){
          dict.imgprev(true);
        } else if(code === 39) {
          dict.imgnext(true);
        } else if(code === 27) {
          layer.close(dict.index);
        }
      }
    }
    
    //切换
    dict.tabimg = function(key){
      if(data.length <= 1) return;
      photos.start = dict.imgIndex - 1;
      layer.close(dict.index);
      layer.photos(options, true, key);
    }
    
    //一些动作
    dict.event = function(){
      dict.bigimg.hover(function(){
        dict.imgsee.show();
      }, function(){
        dict.imgsee.hide();
      });
      
      dict.bigimg.find('.layui-layer-imgprev').on('click', function(event){
        event.preventDefault();
        dict.imgprev();
      });  
      
      dict.bigimg.find('.layui-layer-imgnext').on('click', function(event){     
        event.preventDefault();
        dict.imgnext();
      });
      
      $(document).on('keyup', dict.keyup);
    };
    
    //图片预加载
    function loadImage(url, callback, error) {   
      var img = new Image();
      img.src = url; 
      if(img.complete){
        return callback(img);
      }
      img.onload = function(){
        img.onload = null;
        callback(img);
      };
      img.onerror = function(e){
        img.onerror = null;
        error(e);
      };  
    };
    
    dict.loadi = layer.load(1, {
      shade: 'shade' in options ? false : 0.9,
      scrollbar: false
    });
    loadImage(data[start].src, function(img){
      layer.close(dict.loadi);
      dict.index = layer.open($.extend({
        type: 1,
        area: function(){
           var imgarea = [img.width, img.height];
           var winarea = [$(window).width() - 50, $(window).height() - 50];
           if(!options.full && imgarea[0] > winarea[0]){
             imgarea[0] = winarea[0];
             imgarea[1] = imgarea[0]*img.height/img.width;
           }
           return [imgarea[0]+'px', imgarea[1]+'px']; 
        }(),
        title: false,
        shade: 0.9,
        shadeClose: true,
        closeBtn: false,
        move: '.layui-layer-phimg img',
        moveType: 1,
        scrollbar: false,
        moveOut: true,
        shift: Math.random()*5|0,
        skin: 'layui-layer-photos' + skin('photos'),
        content: '<div class="layui-layer-phimg">'
          +'<img src="'+ data[start].src +'" alt="'+ (data[start].alt||'') +'" layer-pid="'+ data[start].pid +'">'
          +'<div class="layui-layer-imgsee">'
            +(data.length > 1 ? '<span class="layui-layer-imguide"><a href="javascript:;" class="layui-layer-iconext layui-layer-imgprev"></a><a href="javascript:;" class="layui-layer-iconext layui-layer-imgnext"></a></span>' : '')
            +'<div class="layui-layer-imgbar" style="display:'+ (key ? 'block' : '') +'"><span class="layui-layer-imgtit"><a href="javascript:;">'+ (data[start].alt||'') +'</a><em>'+ dict.imgIndex +'/'+ data.length +'</em></span></div>'
          +'</div>'
        +'</div>',
        success: function(layero, index){
          dict.bigimg = layero.find('.layui-layer-phimg');
          dict.imgsee = layero.find('.layui-layer-imguide,.layui-layer-imgbar');
          dict.event(layero);
          options.tab && options.tab(data[start], layero);
        }, end: function(){
          dict.end = true;
          $(document).off('keyup', dict.keyup);
        }
      }, options));
    }, function(){
      layer.close(dict.loadi);
      layer.msg('&#x5F53;&#x524D;&#x56FE;&#x7247;&#x5730;&#x5740;&#x5F02;&#x5E38;<br>&#x662F;&#x5426;&#x7EE7;&#x7EED;&#x67E5;&#x770B;&#x4E0B;&#x4E00;&#x5F20;&#xFF1F;', {
        time: 30000, 
        btn: ['&#x4E0B;&#x4E00;&#x5F20;', '&#x4E0D;&#x770B;&#x4E86;'], 
        yes: function(){
          data.length > 1 && dict.imgnext(true,true);
        }
      });
    });
  };

  //主入口
  ready.run = function(){
    $ = jQuery; 
    win = $(window);
    doms.html = $('html');
    layer.open = function(deliver){
      var o = new Class(deliver);
      return o.index;
    };
  };

  // 'function' === typeof define ? define(function(){
  ready.run();
    // return layer;
  // }) : function(){
  //    ready.run();
  //    layer.use('skin/layer.css');
  // }();

}(window.Turtle||(window.turtle=window.Turtle={}));